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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">probener</journal-id><journal-title-group><journal-title xml:lang="ru">Известия высших учебных заведений. ПРОБЛЕМЫ ЭНЕРГЕТИКИ</journal-title><trans-title-group xml:lang="en"><trans-title>Power engineering: research, equipment, technology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1998-9903</issn><issn pub-type="epub">2658-5456</issn><publisher><publisher-name>Kazan State Power Engineering  University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.30724/1998-9903-2015-0-9-10-63-68</article-id><article-id custom-type="elpub" pub-id-type="custom">probener-143</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ПРИБОРОСТРОЕНИЕ, МЕТРОЛОГИЯ И ИНФОРМАЦИОННО- ИЗМЕРИТЕЛЬНЫЕ ПРИБОРЫ И СИСТЕМЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>INSTRUMENT-MAKING, METROLOGY AND INFORMATION-MEASURING INSTRUMENTS AND SYSTEMS</subject></subj-group></article-categories><title-group><article-title>Изучение возможности использования хлорида кобальта (II) для определения влагосодержания трансформаторных масел</article-title><trans-title-group xml:lang="en"><trans-title>Explore the use of cobalt chloride (II) to determine the moisture content of transformer oil</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мусаева</surname><given-names>Л. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Musaeva</surname><given-names>L. I.</given-names></name></name-alternatives><email xlink:type="simple">smak0991@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Куликова</surname><given-names>А. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Kulikova</surname><given-names>A. P.</given-names></name></name-alternatives><email xlink:type="simple">werty2605@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Козлов</surname><given-names>В. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Kozlov</surname><given-names>V. K.</given-names></name></name-alternatives><email xlink:type="simple">kozlov_vk@bk.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гафиятуллин</surname><given-names>Л. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Gafiyatullin</surname><given-names>L. G.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Туранова</surname><given-names>О. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Turanova</surname><given-names>O. A.</given-names></name></name-alternatives><email xlink:type="simple">lightur@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Туранов</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Turanov</surname><given-names>A. N.</given-names></name></name-alternatives><email xlink:type="simple">sasha_turanov@rambler.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>Казанский государственный энергетический университет</institution><country>Russian Federation</country></aff><aff xml:lang="ru" id="aff-2"><institution>Казанский физико-технический институт им. Е.К. Завойского КазНЦ РАН</institution><country>Russian Federation</country></aff><aff xml:lang="ru" id="aff-3"><institution>Казанский физикотехнический институт им. Е.К. Завойского КазНЦ РАН</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2015</year></pub-date><pub-date pub-type="epub"><day>04</day><month>12</month><year>2017</year></pub-date><volume>0</volume><issue>9-10</issue><fpage>63</fpage><lpage>68</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Мусаева Л.И., Куликова А.П., Козлов В.К., Гафиятуллин Л.Г., Туранова О.А., Туранов А.Н., 2017</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="ru">Мусаева Л.И., Куликова А.П., Козлов В.К., Гафиятуллин Л.Г., Туранова О.А., Туранов А.Н.</copyright-holder><copyright-holder xml:lang="en">Musaeva L.I., Kulikova A.P., Kozlov V.K., Gafiyatullin L.G., Turanova O.A., Turanov A.N.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.energyret.ru/jour/article/view/143">https://www.energyret.ru/jour/article/view/143</self-uri><abstract><p>В представленной работе рассмотрены методы определения влагосодержания трансформаторных масел с обсуждением их достоинств и недостатков. Также предложен новый метод, основанный на изменении окраски кристаллогидрата хлорида кобальта (II) в зависимости от влагосодержания.</p></abstract><trans-abstract xml:lang="en"><p>In presented work the methods of determining the moisture content in transformer oil are listed, their advantages and disadvantages are discussed, the idea of a new method is proposed, it based on the color change of cobalt chloride (II) hydrate due to the dependence of the number of water molecules.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>трансформаторное масло</kwd><kwd>вода</kwd><kwd>кристаллогидрат</kwd></kwd-group><kwd-group xml:lang="en"><kwd>transformer oil</kwd><kwd>water</kwd><kwd>hydrate</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Липштейн Р.А., Шахнович М.И. Трансформаторное масло. 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